fix(cmd): don't print help on error

cmd/go-semantic-release/commands/root.go

@@ -1,7 +1,6 @@
 package commands
 
 import (
-	"fmt"
 	"os"
 
 	"github.com/Nightapes/go-semantic-release/pkg/config"
@@ -18,6 +17,7 @@ var rootCmd = &cobra.Command{
 			return err
 		}
 		setLoglevel(level)
+		cmd.SilenceUsage = true
 		return nil
 	},
 }
@@ -26,7 +26,6 @@ var rootCmd = &cobra.Command{
 func Execute(version string) {
 	rootCmd.Version = version
 	if err := rootCmd.Execute(); err != nil {
-		fmt.Println(err)
 		os.Exit(1)
 	}
 }